055 
AXPZ20 KNHC 190305
TWDEP 

Tropical Weather Discussion
NWS National Hurricane Center Miami FL
0405 UTC Fri Mar 19 2021

Tropical Weather Discussion for the eastern Pacific Ocean from
the Equator to 32N, east of 140W. The following information is
based on satellite imagery, weather observations, radar, and
meteorological analysis.

Based on 0000 UTC surface analysis and satellite imagery through
0300 UTC.

...SPECIAL FEATURES...

Gulf of Tehuantepec Gale Warning: Strong high pressure building 
southward in the western Gulf of Mexico will funnel winds across
Mexico into the Gulf of Tehuantepec. These gap winds will remain
at gale force through Sun morning. Maximum seas may reach 14-16 
ft, especially Sat. Please read the latest NWS High Seas Forecast
from the National Hurricane Center at the website: 
www.nhc.noaa.gov/text/MIAHSFEP2.shtml for more details.

...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

A trough extends from 08N78W to 05N90W. The ITCZ continues from 
05N90W to 04N99W, then resumes from 03N112W to 02N131W to 03N140W.
Scattered moderate convection is noted from 03N to 06N between 
115W and 126W.

OFFSHORE WATERS WITHIN 250 NM OF MEXICO...

Please see Special Features section above for details on a Gale
Warning for the Gulf of Tehuantepec. 

Moderate NW to N winds prevail across the waters north of 20N 
including the Gulf of California, and are expected to continue 
through the remainder of the week, with seas of 5-7 ft. Mainly 
gentle winds are occurring off the west coast of mainland Mexico 
south of 20N, along with seas of 3-6 ft.

A weakening cold front will bring increased winds and large NW 
swell to the waters west of Baja California this weekend into 
early next week.

OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, and 
WITHIN 750 NM OF ECUADOR...

Fresh NE to E winds are noted in and downstream of the Papagayo 
region. Light to gentle winds prevail elsewhere. Sea heights 
range from 3-6 ft.

Fresh to strong NE to E winds will pulse across the Papagayo 
region through early next week. Seas associated with these winds
will be 7-8 ft. Moderate to fresh winds will pulse over the Gulf
of Panama this weekend into early next week. Light to gentle 
winds will prevail elsewhere. Large seas from Gulf of Tehuantepec 
gap winds this weekend will spread into the offshore waters of 
Guatemala and El Salvador.

REMAINDER OF THE AREA...

Moderate to fresh trade winds north of the ITCZ to around 15N are
generating seas in the 5-8 ft range. A cold front from 30N128W to
24N139W will continue eastward across the waters north of 23N 
through Sun, while slowly weakening. Moderate to fresh winds are
expected behind the front. NW swell of 8-13 ft associated with 
the front will continue propagating south and east through the 
weekend. Winds will likely increase to fresh to strong during the
weekend as strong high pressure north of the area settles south.

$$
Mundell